1. Department
of Civil and Environmental Engineering, University of Illinois at Urbana—Champaign, Urbana, Illinois 61801, United States
2. Department
of Bioengineering, University of Illinois at Urbana—Champaign, Urbana, Illinois 61801, United States
3. Eawag: Swiss Federal Institute of Aquatic Science and Technology, 8600 Dübendorf, Switzerland
4. ETH Zürich, Institute of Environmental Engineering, 8093 Zürich, Switzerland
5. Department of Electrical and Computer Engineering, University of Illinois at Urbana—Champaign, Urbana, Illinois 61801, United States
6. School of Public Health, University of Alberta, Edmonton, Alberta T6G 2G7, Canada